141021243 has 40 divisors (see below), whose sum is σ = 231460416. Its totient is φ = 84855600.

The previous prime is 141021187. The next prime is 141021259. The reversal of 141021243 is 342120141.

141021243 is a `hidden beast` number, since 1 + 410 + 212 + 43 = 666.

141021243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 141021243 - 2⁸ = 141020987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141021043) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 144748 + ... + 145718.

Almost surely, 2^141021243 is an apocalyptic number.

141021243 is a deficient number, since it is larger than the sum of its proper divisors (90439173).

141021243 is a wasteful number, since it uses less digits than its factorization.

141021243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 141021243 is about 11875.2365450125. The cubic root of 141021243 is about 520.5089235986.

Adding to 141021243 its reverse (342120141), we get a palindrome (483141384).

The spelling of 141021243 in words is "one hundred forty-one million, twenty-one thousand, two hundred forty-three".